Phantom behavior via cosmological creation of particles

Abstract

Recent determinations of the equation of state of dark energy hint that this may well be of the phantom type, i.e., $w_{de}<-1$. If confirmed by future experiments, this would strongly point to the existence of fields that violate the dominant energy condition, which are known to present serious theoretical difficulties. This paper presents an alternative to this possibility, namely, that the measured equation of state, $w_{de}$, is in reality an effective one, the equation of state of the quantum vacuum, $w_{\Lambda }=-1$, plus the negative equation of state, $w_c$, associated to the production of particles by the gravitational field acting on the vacuum. To illustrate this, three phenomenological models are proposed and constrained with recent observational data.

arXiv comment20 pages, 6 eps figures, to be published in the Physical Review D

References in corpus (34)

• Planck 2013 results. XVI. Cosmological parameters
• The Cosmological Constant and Dark Energy
• A Phantom Menace? Cosmological consequences of a dark energy component with super-negative equation of state
• Coupled Quintessence
• The Hubble Space Telescope Cluster Supernova Survey: V. Improving the Dark Energy Constraints Above z>1 and Building an Early-Type-Hosted Supernova Sample
• A 3% Solution: Determination of the Hubble Constant with the Hubble Space Telescope and Wide Field Camera 3
• Can the dark energy equation-of-state parameter w be less than -1?
• The WiggleZ Dark Energy Survey: mapping the distance-redshift relation with baryon acoustic oscillations
• Supernova Constraints and Systematic Uncertainties from the First 3 Years of the Supernova Legacy Survey
• The phantom menaced: constraints on low-energy effective ghosts
• Interacting quintessence solution to the coincidence problem
• Comparison of the Legacy and Gold SnIa Dataset Constraints on Dark Energy Models
• Cosmological Constraints from Measurements of Type Ia Supernovae discovered during the first 1.5 years of the Pan-STARRS1 Survey
• Cosmic anti-friction and accelerated expansion
• Le Chatelier-Braun principle in cosmological physics
• FRW Cosmologies with Adiabatic Matter Creation
• The Cosmic Rate, Luminosity Function and Intrinsic Correlations of Long GRBs
• Systematic Uncertainties Associated with the Cosmological Analysis of the First Pan-STARRS1 Type Ia Supernova Sample
• Testing the Interaction between Dark Energy and Dark Matter with Planck Data
• Gradient instability for w < -1
• Chasing the phantom: A closer look at Type Ia supernovae and the dark energy equation of state
• Gravitationally Induced Particle Production: Thermodynamics and Kinetic Theory
• Classical and quantum ghosts
• Dark Energy Constraints after Planck
• The Possible Impact of GRB Detector Thresholds on Cosmological Standard Candles
• Constraints on Cosmological Models and Reconstructing the Acceleration History of the Universe with Gamma-Ray Burst Distance Indicators
• Testing cosmic opacity from SNe Ia and Hubble parameter through three cosmological-model-independent methods
• Kinetic theory for particle production
• The Dark Side of the Universe after Planck
• Cosmology, Thermodynamics and Matter Creation
• Confronting the Hubble Diagram of Gamma-Ray Bursts with Cardassian Cosmology
• Principal components of dark energy with SNLS supernovae: the effects of systematic errors
• Interacting Dark Energy
• GRBs as standard candles: There is no "circularity problem" (and there never was)

Cited by in corpus (54)

• Revisiting a negative cosmological constant from low-redshift data
• Accelerated cosmos in a non-extensive setup
• Cosmological Particle Production: A Review
• Finite-time Cosmological Singularities and the Possible Fate of the Universe
• Cosmological consequences of an adiabatic matter creation process
• Effects of neutrino mass hierarchies on dynamical dark energy models
• The state of the dark energy equation of state circa 2023
• Evolution and Dynamics of a Matter creation model
• Remedy of some cosmological tensions via effective phantom-like behavior of interacting vacuum energy
• General form of entropy on the horizon of the universe in entropic cosmology
• Challenging bulk viscous unified scenarios with cosmological observations
• Variable Chaplygin gas cosmologies in f(R, T) gravity with particle creation
• Cosmological direct detection of dark energy: non-linear structure formation signatures of dark energy scattering with visible matter
• A simple nonsingular inflationary quintessential model
• Constraints on quintessence scalar field models using cosmological observations
• Gravitationally induced adiabatic particle production: From Big Bang to de Sitter
• Dynamics in Varying vacuum Finsler-Randers Cosmology
• Probing the properties of relic neutrinos using the cosmic microwave background, the Hubble Space Telescope and galaxy clusters
• Holographic Dark Energy from Fluid/Gravity Duality Constraint by Cosmological Observations
• Viscosity-Induced Crossing of the Phantom Barrier
• Statefinder diagnostic for modified Chaplygin gas cosmology in f(R,T) gravity with particle creation
• Crossing the phantom divide with dissipative normal matter in the Israel-Stewart-Hiscock formalism
• Two-fluid solutions of particle-creation cosmologies
• Analysing dissipative effects in the $\Lambda$CDM model
• Dynamical analysis of interacting dark energy model in the framework of particle creation mechanism
• Challenging matter creation models in the phantom divide
• Cosmological solutions with gravitational particle production and non-zero curvature
• Connecting inflation with late cosmic acceleration by particle production
• Viscous Coupled Fluids in Inflationary Cosmology
• Gravitationally influenced particle creation models and late-time cosmic acceleration
• Modified gravity in the presence of matter creation: scenario for the late Universe
• Cosmic expansion with matter creation and bulk viscosity
• The Impact of Particle Production on Gravitational Baryogenesis
• Scalar particle production in a simple Horndeski theory
• Gravitationally Induced Particle Production and its Impact on the WIMP Abundance
• Cosmological Constraints on Entropic Cosmology with Matter Creation
• Entropy production due to adiabatic particle creation in a holographic dissipative cosmology
• Thermodynamic implications of the gravitationally induced particle creation scenario
• Gravitationally induced particle production and its impact on structure formation
• Fluctuations of the flux of energy on the apparent horizon
• Constraining Temporal Oscillations of Cosmological Parameters Using Type Ia Supernovae
• Interacting Holographic dark energy with matter creation: A dynamical system analysis
• Two Dynamical Scenarios for Binned Master Sample Interpretation
• Cosmological solutions in spatially curved universes with adiabatic particle production
• Emulating dark energy models with known equation of state via the created cold dark matter scenario
• Evolution of dissipative and non-dissipative universes in holographic cosmological models with a power-law term
• Effects of particle creation rate in two-fluid interacting cosmologies
• Generalized second law of thermodynamics for the matter creation scenario and emergence of phantom regime
• Evolving Cosmic Scenario in Modified Chaplygin Gas with Adiabatic Matter Creation
• Dynamical systems analysis of a cosmological model with interacting Umami Chaplygin fluid in adiabatic particle creation mechanism: Some bouncing features
• Structure Formation in Dark Matter Particle Production Cosmology
• Thermodynamic constraints on matter creation models
• Exploring the cosmological degeneracy between decaying dark matter model and viscous $\Lambda$CDM
• Entropies of the various components of the universe